Finding the Fourth Proportional to 6,267,685.11, 8,651,199.06 and 3,690,860.56
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Solution
The fourth proportional to 6,267,685.11, 8,651,199.06 and 3,690,860.56 is: 5,094,443.78
Step by Step Solution
- Step 1: Write the proportion equation
6,267,685.11 : 8,651,199.06 = 3,690,860.56 : x - Step 2: Convert to fraction form
6,267,685.11/8,651,199.06 = 3,690,860.56/x - Step 3: Cross multiply
6,267,685.11x = 8,651,199.06 × 3,690,860.56 - Step 4: Simplify right side
6,267,685.11x = 31,930,369,385,635.08 - Step 5: Solve for x
x = 31,930,369,385,635.08/6,267,685.11 - Step 6: Final answer
x = 5,094,443.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.